On May 1, 1969, a western Pennsylvania native with a relatively unknown children’s program testified before the Senate Subcommittee on Communication. Public broadcasting faced having its $20 million budget cut in half, and policymakers were skeptical about the educational benefit of children watching television — until Fred Rogers spoke of his year-​old show and television’s…

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Air quality in the United States is governed by a complex regulatory structure that sets pollution limits and authorizes federal, state and local agencies to enforce them. The regulations which agencies enforce vary with the source of pollution, what they emit and the air quality in the region where they are located.

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Creeping into the Fort Pitt Tunnel, angling for space at the Parkway East’s Grant Street exit, or elbowing into a gap in traffic on the Veterans Bridge, tens of thousands of people drive or ride into and out of Downtown nearly every day.

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Bluer skies over southwestern Pennsylvania owe a debt to local, state and federal regulations that have evolved over decades to spur technological advancements and investment in controlling air pollutants from industrial plants to the cars we drive.

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Issue QuarterWinter

Issue Year2018

Sub HeadingRegulations that helped clean the region’s air face new challenges

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